Patents by Inventor Hideo Suzuki (Deceased)

Hideo Suzuki (Deceased) has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fuel cell system
    Patent number: 8178251
    Abstract: A fuel cell system includes a fuel cell, an auxiliary unit, a sound volume acquisition unit, and a control unit. The fuel cell supplies an electric power to a sound generating device that generates a sound. The auxiliary unit allows the fuel cell to generate the electric power. The sound volume acquisition unit acquires information that is related to at least one of the volume of the sound that is generated by the sound generating device and the volume of an environmental sound. The control unit controls the operations of the auxiliary unit, based on the information acquired by the sound volume acquisition unit.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: May 15, 2012
    Assignee: Yamaha Corporation
    Inventors: Hideo Suzuki (Deceased), Emiko Suzuki, legal representative